[ 23.580587][ T827] mptcp_connect (827) used greatest stack depth: 23664 bytes left [ 23.580604][ T827] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.580606][ T827] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 827, name: mptcp_connect [ 23.580608][ T827] preempt_count: 2, expected: 0 [ 23.580609][ T827] RCU nest depth: 0, expected: 0 [ 23.580609][ T827] INFO: lockdep is turned off. [ 23.580610][ T827] irq event stamp: 0 [ 23.580611][ T827] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 23.580616][ T827] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 23.580621][ T827] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 23.580623][ T827] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 23.580624][ T827] Preemption disabled at: [ 23.580625][ T827] [<0000000000000000>] 0x0 [ 23.580630][ T827] CPU: 1 UID: 0 PID: 827 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.580633][ T827] Tainted: [W]=WARN [ 23.580634][ T827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.580636][ T827] Call Trace: [ 23.580637][ T827] [ 23.580638][ T827] dump_stack_lvl+0x6f/0xa0 [ 23.580644][ T827] __might_resched.cold+0x1fe/0x2c1 [ 23.580648][ T827] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.580651][ T827] ? __asan_memcpy+0x3c/0x60 [ 23.580654][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580658][ T827] __kmalloc_noprof+0x443/0x760 [ 23.580661][ T827] ? __rwlock_init+0x150/0x150 [ 23.580663][ T827] ? alloc_buf.isra.0+0x4b/0x260 [ 23.580668][ T827] ? do_raw_spin_unlock+0x59/0x250 [ 23.580669][ T827] alloc_buf.isra.0+0x4b/0x260 [ 23.580672][ T827] put_chars+0x1e1/0x2f0 [ 23.580674][ T827] ? __send_to_port+0x420/0x420 [ 23.580676][ T827] ? console_prepend_replay+0x20/0x20 [ 23.580679][ T827] hvc_console_print+0x292/0x780 [ 23.580683][ T827] ? hvc_write+0x3a0/0x3a0 [ 23.580685][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580687][ T827] ? lock_acquire+0x13c/0x160 [ 23.580689][ T827] console_emit_next_record+0x22f/0x4c0 [ 23.580691][ T827] ? devkmsg_read+0x4b0/0x4b0 [ 23.580693][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580694][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580695][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580697][ T827] ? lock_acquire+0x13c/0x160 [ 23.580698][ T827] ? console_flush_one_record+0x111/0x710 [ 23.580700][ T827] console_flush_one_record+0x46f/0x710 [ 23.580702][ T827] ? console_emit_next_record+0x4c0/0x4c0 [ 23.580704][ T827] console_unlock+0xee/0x1f0 [ 23.580706][ T827] ? lock_acquire+0x13c/0x160 [ 23.580707][ T827] ? console_flush_one_record+0x710/0x710 [ 23.580709][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580710][ T827] ? lock_release+0x184/0x1f0 [ 23.580711][ T827] ? lock_acquire+0x60/0x160 [ 23.580713][ T827] ? __rcu_read_lock+0x30/0x70 [ 23.580714][ T827] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.580716][ T827] ? vprintk_emit+0x320/0x3e0 [ 23.580718][ T827] vprintk_emit+0x37c/0x3e0 [ 23.580720][ T827] ? wake_up_klogd_work_func+0x90/0x90 [ 23.580722][ T827] _printk+0xc7/0x100 [ 23.580725][ T827] ? snapshot_read.cold+0x21/0x21 [ 23.580727][ T827] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 23.580730][ T827] ? do_raw_spin_lock+0x131/0x280 [ 23.580732][ T827] ? __rwlock_init+0x150/0x150 [ 23.580734][ T827] ? do_raw_spin_lock+0x131/0x280 [ 23.580735][ T827] do_exit.cold+0x82/0x9c [ 23.580738][ T827] ? exit_notify+0x890/0x890 [ 23.580741][ T827] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 23.580743][ T827] ? rcu_is_watching+0x16/0xd0 [ 23.580746][ T827] do_group_exit+0xb8/0x370 [ 23.580748][ T827] __x64_sys_exit_group+0x3c/0x50 [ 23.580749][ T827] x64_sys_call+0x1567/0x1570 [ 23.580751][ T827] do_syscall_64+0xff/0x530 [ 23.580754][ T827] ? exc_page_fault+0xee/0x100 [ 23.580756][ T827] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.580759][ T827] RIP: 0033:0x7fd6248141b8 [ 23.580761][ T827] Code: Unable to access opcode bytes at 0x7fd62481418e. [ 23.580762][ T827] RSP: 002b:00007fff7515f568 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.580765][ T827] RAX: ffffffffffffffda RBX: 00007fd624944f88 RCX: 00007fd6248141b8 [ 23.580766][ T827] RDX: 00007fd624751a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 23.580767][ T827] RBP: 00007fff7515f5c0 R08: 0000000000000000 R09: 0000000000000000 [ 23.580768][ T827] R10: 00007fff7515f400 R11: 0000000000000246 R12: 0000000000000001 [ 23.580769][ T827] R13: 0000000000000000 R14: 00007fd624943680 R15: 00007fd624944fa0 [ 23.580771][ T827] [ 28.201939][ T1015] mptcp_connect (1015) used greatest stack depth: 22960 bytes left [ 28.201957][ T1015] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 28.201959][ T1015] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1015, name: mptcp_connect [ 28.201961][ T1015] preempt_count: 2, expected: 0 [ 28.201962][ T1015] RCU nest depth: 0, expected: 0 [ 28.201962][ T1015] INFO: lockdep is turned off. [ 28.201964][ T1015] irq event stamp: 0 [ 28.201964][ T1015] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 28.201969][ T1015] hardirqs last disabled at (0): [] copy_process+0x1ccd/0x6240 [ 28.201975][ T1015] softirqs last enabled at (0): [] copy_process+0x1d21/0x6240 [ 28.201977][ T1015] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 28.201979][ T1015] Preemption disabled at: [ 28.201980][ T1015] [<0000000000000000>] 0x0 [ 28.201984][ T1015] CPU: 2 UID: 0 PID: 1015 Comm: mptcp_connect Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 28.201988][ T1015] Tainted: [W]=WARN [ 28.201989][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.201990][ T1015] Call Trace: [ 28.201992][ T1015] [ 28.201993][ T1015] dump_stack_lvl+0x6f/0xa0 [ 28.201998][ T1015] __might_resched.cold+0x1fe/0x2c1 [ 28.202002][ T1015] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 28.202005][ T1015] ? __asan_memcpy+0x3c/0x60 [ 28.202009][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202012][ T1015] __kmalloc_noprof+0x443/0x760 [ 28.202015][ T1015] ? __rwlock_init+0x150/0x150 [ 28.202018][ T1015] ? alloc_buf.isra.0+0x4b/0x260 [ 28.202023][ T1015] ? do_raw_spin_unlock+0x59/0x250 [ 28.202024][ T1015] alloc_buf.isra.0+0x4b/0x260 [ 28.202027][ T1015] put_chars+0x1e1/0x2f0 [ 28.202029][ T1015] ? __send_to_port+0x420/0x420 [ 28.202032][ T1015] ? console_prepend_replay+0x20/0x20 [ 28.202035][ T1015] hvc_console_print+0x292/0x780 [ 28.202039][ T1015] ? hvc_write+0x3a0/0x3a0 [ 28.202041][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202043][ T1015] ? lock_acquire+0x13c/0x160 [ 28.202045][ T1015] console_emit_next_record+0x22f/0x4c0 [ 28.202047][ T1015] ? devkmsg_read+0x4b0/0x4b0 [ 28.202049][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202050][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202052][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202053][ T1015] ? lock_acquire+0x13c/0x160 [ 28.202055][ T1015] ? console_flush_one_record+0x111/0x710 [ 28.202057][ T1015] console_flush_one_record+0x46f/0x710 [ 28.202059][ T1015] ? console_emit_next_record+0x4c0/0x4c0 [ 28.202062][ T1015] console_unlock+0xee/0x1f0 [ 28.202063][ T1015] ? lock_acquire+0x13c/0x160 [ 28.202065][ T1015] ? console_flush_one_record+0x710/0x710 [ 28.202066][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202068][ T1015] ? lock_release+0x184/0x1f0 [ 28.202069][ T1015] ? lock_acquire+0x60/0x160 [ 28.202070][ T1015] ? __rcu_read_lock+0x30/0x70 [ 28.202072][ T1015] ? __down_trylock_console_sem+0x5e/0xa0 [ 28.202074][ T1015] ? vprintk_emit+0x320/0x3e0 [ 28.202076][ T1015] vprintk_emit+0x37c/0x3e0 [ 28.202078][ T1015] ? wake_up_klogd_work_func+0x90/0x90 [ 28.202080][ T1015] _printk+0xc7/0x100 [ 28.202083][ T1015] ? snapshot_read.cold+0x21/0x21 [ 28.202085][ T1015] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 28.202090][ T1015] ? do_raw_spin_lock+0x131/0x280 [ 28.202092][ T1015] ? __rwlock_init+0x150/0x150 [ 28.202094][ T1015] ? do_raw_spin_lock+0x131/0x280 [ 28.202096][ T1015] do_exit.cold+0x82/0x9c [ 28.202099][ T1015] ? exit_notify+0x890/0x890 [ 28.202102][ T1015] ? posixtimer_sig_unignore.isra.0+0x5f0/0x5f0 [ 28.202105][ T1015] ? rcu_is_watching+0x16/0xd0 [ 28.202107][ T1015] do_group_exit+0xb8/0x370 [ 28.202109][ T1015] __x64_sys_exit_group+0x3c/0x50 [ 28.202111][ T1015] x64_sys_call+0x1567/0x1570 [ 28.202113][ T1015] do_syscall_64+0xff/0x530 [ 28.202116][ T1015] ? exc_page_fault+0xee/0x100 [ 28.202119][ T1015] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.202122][ T1015] RIP: 0033:0x7f6facb401b8 [ 28.202124][ T1015] Code: Unable to access opcode bytes at 0x7f6facb4018e. [ 28.202125][ T1015] RSP: 002b:00007ffdec4bdcd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.202129][ T1015] RAX: ffffffffffffffda RBX: 00007f6facc70f88 RCX: 00007f6facb401b8 [ 28.202130][ T1015] RDX: 00007f6faca7da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 28.202131][ T1015] RBP: 00007ffdec4bdd30 R08: 0000000000000000 R09: 0000000000000000 [ 28.202132][ T1015] R10: 00007ffdec4bdb70 R11: 0000000000000246 R12: 0000000000000001 [ 28.202133][ T1015] R13: 0000000000000000 R14: 00007f6facc6f680 R15: 00007f6facc70fa0 [ 28.202135][ T1015]